and by contributions to your pbs station from viewers like you. thank you. >> suarez: with just a week left before automatic spending cuts are set to begin, the obama administration stepped up pressure on republicans in congress today. the latest warnings came over the potential impact that furloughs would have on air travel, starting in april. transportation secretary ray lahood said travelers could face new delays of 90 minutes at major airports in chicago, new york and san francisco. more than 100 air control towers at smaller airports could be closed, lahood said. airlines likely would cancel flights. and congress, he said, would hear of the fallout. >> it's not only the impact on the passengers, it's the impact that it has on airports, control towers, people who work there, airports. and their phones are going to start ringing. why does this have to happen? nobody likes a delay. nobody likes waiting in line. none of us do. if we can't get our hamburger within five minutes, if we can't get on the plane within 30, 40, 50 minutes after going thr